chia sẻ cho b nào cần
=IF(OR(WEEKDAY(C4)=1,C4=$F$
17,C4=$F$
18,C4=$F$
19),0.9E4INDEX($B$
17:$D$
18,MATCH(RIGHT(B4,2),$A$
17:$A$
18,0),MATCH(LEFT(B4,2),$B$
16:$D$
16,0)),E4*INDEX($B$
17:$D$
18,MATCH(RIGHT(B4,2),$A$
17:$A$
18,0),MATCH(LEFT(B4,2),$B$
16:$D$
16,0)))